3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '/[^A-Za-z0-9 \r\n@£$¥èéùìòÇØøÅå\x\{0394\}\x\{03A6\}\x\{0393\}\x\{039B\}\x\{03A9\}\x\{03A0\}\x\{03A8\}\x\{03A3\}\x\{0398\}\x\{039E\}ÆæßÉ!"#$%&amp;\'()*+,\-.\/:;<>&lt;=&gt;?¡ÄÖÑܧ¿äöñüà^{}\\\[~\]|\x\{20AC\}]+/'; $data = 'asdf‘‼'; $tmp = []; $result = preg_match_all($x,$data,$tmp); var_dump($tmp); $z = $tmp[0][0]; #$z = utf8_encode($z); #$z = iconv(mb_detect_encoding($z, mb_detect_order(), true), "UTF-8", $z); #var_dump(mb_detect_encoding($z)); var_dump(bing2hex($z));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0060.01018.27
8.3.60.0190.00316.72
8.3.50.0090.00716.67
8.3.40.0070.00719.09
8.3.30.0060.00918.96
8.3.20.0050.00320.16
8.3.10.0080.00021.72
8.3.00.0030.00619.50
8.2.180.0110.00716.85
8.2.170.0040.01122.96
8.2.160.0090.00620.40
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00321.07
8.2.120.0070.00026.35
8.2.110.0100.00019.14
8.2.100.0110.00018.14
8.2.90.0000.00919.42
8.2.80.0050.00318.04
8.2.70.0030.00518.03
8.2.60.0030.00518.09
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0070.00319.22
8.2.20.0040.00418.00
8.2.10.0050.00218.13
8.2.00.0050.00217.95
8.1.280.0140.00325.92
8.1.270.0080.00022.02
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.05
8.1.230.0000.01220.94
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0060.00317.36
8.1.180.0040.00418.10
8.1.170.0080.00018.32
8.1.160.0030.00519.04
8.1.150.0070.00018.85
8.1.140.0070.00019.55
8.1.130.0040.00418.86
8.1.120.0060.00317.49
8.1.110.0050.00317.42
8.1.100.0040.00417.45
8.1.90.0050.00217.41
8.1.80.0000.00717.52
8.1.70.0000.00717.38
8.1.60.0000.00817.70
8.1.50.0040.00417.68
8.1.40.0040.00417.73
8.1.30.0040.00417.72
8.1.20.0080.00017.64
8.1.10.0000.00717.76
8.1.00.0070.00017.54
8.0.300.0000.00921.71
8.0.290.0000.00816.88
8.0.280.0050.00318.35
8.0.270.0030.00317.32
8.0.260.0000.00616.82
8.0.250.0000.00717.02
8.0.240.0030.00617.04
8.0.230.0000.00817.17
8.0.220.0000.00717.07
8.0.210.0000.00717.05
8.0.200.0000.00817.11
8.0.190.0040.00417.05
8.0.180.0040.00417.13
8.0.170.0070.00017.12
8.0.160.0040.00417.00
8.0.150.0030.00616.89
8.0.140.0000.00817.05
8.0.130.0030.00313.49
8.0.120.0050.00216.91
8.0.110.0060.00317.03
8.0.100.0050.00316.96
8.0.90.0000.00716.91
8.0.80.0090.00616.99
8.0.70.0000.00916.92
8.0.60.0040.00416.89
8.0.50.0040.00416.98
8.0.30.0110.00617.26
8.0.20.0140.00517.43
8.0.10.0070.00017.21
8.0.00.0100.00716.89
7.4.330.0060.00015.55
7.4.320.0000.00616.63
7.4.300.0040.00416.73
7.4.290.0060.00316.71
7.4.280.0040.00416.72
7.4.270.0000.00716.69
7.4.260.0030.00316.71
7.4.250.0060.00316.69
7.4.240.0070.00016.78
7.4.230.0070.00016.83
7.4.220.0110.00716.80
7.4.210.0120.00316.85
7.4.200.0000.00716.79
7.4.160.0070.01016.59
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0110.01316.62
7.4.120.0100.01116.82
7.3.330.0020.00313.31
7.3.320.0000.00513.27
7.3.310.0000.00716.52
7.3.300.0040.00416.39
7.3.290.0080.00816.52
7.3.280.0090.00816.45
7.3.270.0040.02117.40
7.3.260.0120.00816.60
7.3.250.0150.00916.48
7.3.240.0050.01816.48
7.1.60.0150.00935.31

preferences:
39.84 ms | 401 KiB | 5 Q